/// <summary>
/// Initializes a new instance of <see cref="Htheme"/>.
/// </summary>
public Htheme(ThemeRenderer theme)
{
// update current application name
bool hasCustomAppName = (theme.Value >> ApplicationShift) != 0;
if (hasCustomAppName)
{
string appName = theme.ApplicationName;
if (appName != CurrentApplicationName)
{
ThemeInternal.UxTheme.SetWindowTheme(ThemeControl.Handle, CurrentApplicationName = appName, null);
}
}
if (!hasCustomAppName)
{
int themeID = (theme.Value >> ClassShift) & ClassMask;
if (themeID > 0 && themeID <= HthemeCache.Length)
{
themeID--;
Htheme cached = HthemeCache[themeID];
if (cached._Handle == IntPtr.Zero)
{
cached._Handle = ThemeInternal.UxTheme.OpenThemeData(CachedThemeControl.Handle, theme.ClassName);
HthemeCache[themeID] = cached;
}
this._Handle = cached._Handle;
this._CachedHandle = true;
return;
}
}
// default to non-cached
this._Handle = ThemeInternal.UxTheme.OpenThemeData(ThemeControl.Handle, theme.ClassName);
this._CachedHandle = false;
}